diff --git a/src/lib/isMobilePhone.js b/src/lib/isMobilePhone.js
index b00391ea6..df17295d8 100644
--- a/src/lib/isMobilePhone.js
+++ b/src/lib/isMobilePhone.js
@@ -162,6 +162,8 @@ const phones = {
   'ar-EH': /^(\+?212|0)[\s\-]?(5288|5289)[\s\-]?\d{5}$/,
   'fa-AF': /^(\+93|0)?(2{1}[0-8]{1}|[3-5]{1}[0-4]{1})(\d{7})$/,
   'mk-MK': /^(\+?389|0)?((?:2[2-9]\d{6}|(?:3[1-4]|4[2-8])\d{6}|500\d{5}|5[2-9]\d{6}|7[0-9][2-9]\d{5}|8[1-9]\d{6}|800\d{5}|8009\d{4}))$/,
+  // Cambodia
+  'km-KH': /^(\+?855)([1-9]\d{7,8})$/,
 };
 /* eslint-enable max-len */
 
diff --git a/test/validators.test.js b/test/validators.test.js
index 12c5fc2ab..c871ef06a 100644
--- a/test/validators.test.js
+++ b/test/validators.test.js
@@ -6558,6 +6558,28 @@ describe('Validators', () => {
 
   it('should validate identity cards', () => {
     const fixtures = [
+      {
+        locale: 'km-KH',
+        valid: [
+          '+85512345678',
+          '+855123456789',
+          '+85598765432',
+          '+85519876543',
+          '85512345678',
+          '855123456789',
+          '85598765432',
+          '85519876543',
+        ],
+        invalid: [
+          '+85502345678',
+          '+8551234567', 
+          '+8551234567890',
+          '12345678',
+          '+855abcdefgh',
+          '',
+          '+855',
+        ],
+      },
       {
         locale: 'PK',
         valid: [